U.S. Envoy Calls Deal An &#39;Important Start&#39;

NPR&#39;s Ari Shapiro talks with Todd Stern, the Obama administration&#39;s climate envoy, who negotiated the climate deal in Paris. He calls it a &quot;very important start&quot; in the fight against climate change.
More Info: http://www.npr.org/2015/12/14/459718212/u-s-envoy-calls-deal-an-important-start-in-fight-against-climate-change
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